[PATCH 3.12 38/62] PNP: fix restoring devices after hibernation

Greg Kroah-Hartman
2013-12-10T08:14:31Z

From: Dmitry Torokhov <dmitry.torokhov@gmail.com>

commit 8a37ea50e7acf8db6821ba094ca41384e7d8c70c upstream.

On returning from hibernation 'restore' callback is called,
not 'resume'. Fix it.

Fixes: eaf140b60ec9 (PNP: convert PNP driver bus legacy pm_ops to dev_pm_ops)
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/pnp/driver.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)

--- a/drivers/pnp/driver.c
+++ b/drivers/pnp/driver.c
@@ -197,6 +197,11 @@ static int pnp_bus_freeze(struct device
return __pnp_bus_suspend(dev, PMSG_FREEZE);
}

+static int pnp_bus_poweroff(struct device *dev)
+{
+ return __pnp_bus_suspend(dev, PMSG_HIBERNATE);
+}
+
static int pnp_bus_resume(struct device *dev)
{
struct pnp_dev *pnp_dev = to_pnp_dev(dev);
@@ -234,9 +239,14 @@ static int pnp_bus_resume(struct device
}

static const struct dev_pm_ops pnp_bus_dev_pm_ops = {
+ /* Suspend callbacks */
.suspend = pnp_bus_suspend,
- .freeze = pnp_bus_freeze,
.resume = pnp_bus_resume,
+ /* Hibernate callbacks */
+ .freeze = pnp_bus_freeze,
+ .thaw = pnp_bus_resume,
+ .poweroff = pnp_bus_poweroff,
+ .restore = pnp_bus_resume,
};

struct bus_type pnp_bus_type = {